1 #ifndef ISCSI_PARAMETERS_H 2 #define ISCSI_PARAMETERS_H 3 4 struct iscsi_extra_response { 5 char key[64]; 6 char value[32]; 7 struct list_head er_list; 8 } ____cacheline_aligned; 9 10 struct iscsi_param { 11 char *name; 12 char *value; 13 u8 set_param; 14 u8 phase; 15 u8 scope; 16 u8 sender; 17 u8 type; 18 u8 use; 19 u16 type_range; 20 u32 state; 21 struct list_head p_list; 22 } ____cacheline_aligned; 23 24 extern int iscsi_login_rx_data(struct iscsi_conn *, char *, int); 25 extern int iscsi_login_tx_data(struct iscsi_conn *, char *, char *, int); 26 extern void iscsi_dump_conn_ops(struct iscsi_conn_ops *); 27 extern void iscsi_dump_sess_ops(struct iscsi_sess_ops *); 28 extern void iscsi_print_params(struct iscsi_param_list *); 29 extern int iscsi_create_default_params(struct iscsi_param_list **); 30 extern int iscsi_set_keys_to_negotiate(struct iscsi_param_list *, bool); 31 extern int iscsi_set_keys_irrelevant_for_discovery(struct iscsi_param_list *); 32 extern int iscsi_copy_param_list(struct iscsi_param_list **, 33 struct iscsi_param_list *, int); 34 extern int iscsi_change_param_value(char *, struct iscsi_param_list *, int); 35 extern void iscsi_release_param_list(struct iscsi_param_list *); 36 extern struct iscsi_param *iscsi_find_param_from_key(char *, struct iscsi_param_list *); 37 extern int iscsi_extract_key_value(char *, char **, char **); 38 extern int iscsi_update_param_value(struct iscsi_param *, char *); 39 extern int iscsi_decode_text_input(u8, u8, char *, u32, struct iscsi_conn *); 40 extern int iscsi_encode_text_output(u8, u8, char *, u32 *, 41 struct iscsi_param_list *); 42 extern int iscsi_check_negotiated_keys(struct iscsi_param_list *); 43 extern void iscsi_set_connection_parameters(struct iscsi_conn_ops *, 44 struct iscsi_param_list *); 45 extern void iscsi_set_session_parameters(struct iscsi_sess_ops *, 46 struct iscsi_param_list *, int); 47 48 #define YES "Yes" 49 #define NO "No" 50 #define ALL "All" 51 #define IRRELEVANT "Irrelevant" 52 #define NONE "None" 53 #define NOTUNDERSTOOD "NotUnderstood" 54 #define REJECT "Reject" 55 56 /* 57 * The Parameter Names. 58 */ 59 #define AUTHMETHOD "AuthMethod" 60 #define HEADERDIGEST "HeaderDigest" 61 #define DATADIGEST "DataDigest" 62 #define MAXCONNECTIONS "MaxConnections" 63 #define SENDTARGETS "SendTargets" 64 #define TARGETNAME "TargetName" 65 #define INITIATORNAME "InitiatorName" 66 #define TARGETALIAS "TargetAlias" 67 #define INITIATORALIAS "InitiatorAlias" 68 #define TARGETADDRESS "TargetAddress" 69 #define TARGETPORTALGROUPTAG "TargetPortalGroupTag" 70 #define INITIALR2T "InitialR2T" 71 #define IMMEDIATEDATA "ImmediateData" 72 #define MAXRECVDATASEGMENTLENGTH "MaxRecvDataSegmentLength" 73 #define MAXXMITDATASEGMENTLENGTH "MaxXmitDataSegmentLength" 74 #define MAXBURSTLENGTH "MaxBurstLength" 75 #define FIRSTBURSTLENGTH "FirstBurstLength" 76 #define DEFAULTTIME2WAIT "DefaultTime2Wait" 77 #define DEFAULTTIME2RETAIN "DefaultTime2Retain" 78 #define MAXOUTSTANDINGR2T "MaxOutstandingR2T" 79 #define DATAPDUINORDER "DataPDUInOrder" 80 #define DATASEQUENCEINORDER "DataSequenceInOrder" 81 #define ERRORRECOVERYLEVEL "ErrorRecoveryLevel" 82 #define SESSIONTYPE "SessionType" 83 #define IFMARKER "IFMarker" 84 #define OFMARKER "OFMarker" 85 #define IFMARKINT "IFMarkInt" 86 #define OFMARKINT "OFMarkInt" 87 #define X_EXTENSIONKEY "X-com.sbei.version" 88 #define X_EXTENSIONKEY_CISCO_NEW "X-com.cisco.protocol" 89 #define X_EXTENSIONKEY_CISCO_OLD "X-com.cisco.iscsi.draft" 90 91 /* 92 * Parameter names of iSCSI Extentions for RDMA (iSER). See RFC-5046 93 */ 94 #define RDMAEXTENTIONS "RDMAExtensions" 95 #define INITIATORRECVDATASEGMENTLENGTH "InitiatorRecvDataSegmentLength" 96 #define TARGETRECVDATASEGMENTLENGTH "TargetRecvDataSegmentLength" 97 98 /* 99 * For AuthMethod. 100 */ 101 #define KRB5 "KRB5" 102 #define SPKM1 "SPKM1" 103 #define SPKM2 "SPKM2" 104 #define SRP "SRP" 105 #define CHAP "CHAP" 106 107 /* 108 * Initial values for Parameter Negotiation. 109 */ 110 #define INITIAL_AUTHMETHOD CHAP 111 #define INITIAL_HEADERDIGEST "CRC32C,None" 112 #define INITIAL_DATADIGEST "CRC32C,None" 113 #define INITIAL_MAXCONNECTIONS "1" 114 #define INITIAL_SENDTARGETS ALL 115 #define INITIAL_TARGETNAME "LIO.Target" 116 #define INITIAL_INITIATORNAME "LIO.Initiator" 117 #define INITIAL_TARGETALIAS "LIO Target" 118 #define INITIAL_INITIATORALIAS "LIO Initiator" 119 #define INITIAL_TARGETADDRESS "0.0.0.0:0000,0" 120 #define INITIAL_TARGETPORTALGROUPTAG "1" 121 #define INITIAL_INITIALR2T YES 122 #define INITIAL_IMMEDIATEDATA YES 123 #define INITIAL_MAXRECVDATASEGMENTLENGTH "8192" 124 /* 125 * Match outgoing MXDSL default to incoming Open-iSCSI default 126 */ 127 #define INITIAL_MAXXMITDATASEGMENTLENGTH "262144" 128 #define INITIAL_MAXBURSTLENGTH "262144" 129 #define INITIAL_FIRSTBURSTLENGTH "65536" 130 #define INITIAL_DEFAULTTIME2WAIT "2" 131 #define INITIAL_DEFAULTTIME2RETAIN "20" 132 #define INITIAL_MAXOUTSTANDINGR2T "1" 133 #define INITIAL_DATAPDUINORDER YES 134 #define INITIAL_DATASEQUENCEINORDER YES 135 #define INITIAL_ERRORRECOVERYLEVEL "0" 136 #define INITIAL_SESSIONTYPE NORMAL 137 #define INITIAL_IFMARKER NO 138 #define INITIAL_OFMARKER NO 139 #define INITIAL_IFMARKINT "2048~65535" 140 #define INITIAL_OFMARKINT "2048~65535" 141 142 /* 143 * Initial values for iSER parameters following RFC-5046 Section 6 144 */ 145 #define INITIAL_RDMAEXTENTIONS NO 146 #define INITIAL_INITIATORRECVDATASEGMENTLENGTH "262144" 147 #define INITIAL_TARGETRECVDATASEGMENTLENGTH "8192" 148 149 /* 150 * For [Header,Data]Digests. 151 */ 152 #define CRC32C "CRC32C" 153 154 /* 155 * For SessionType. 156 */ 157 #define DISCOVERY "Discovery" 158 #define NORMAL "Normal" 159 160 /* 161 * struct iscsi_param->use 162 */ 163 #define USE_LEADING_ONLY 0x01 164 #define USE_INITIAL_ONLY 0x02 165 #define USE_ALL 0x04 166 167 #define IS_USE_LEADING_ONLY(p) ((p)->use & USE_LEADING_ONLY) 168 #define IS_USE_INITIAL_ONLY(p) ((p)->use & USE_INITIAL_ONLY) 169 #define IS_USE_ALL(p) ((p)->use & USE_ALL) 170 171 #define SET_USE_INITIAL_ONLY(p) ((p)->use |= USE_INITIAL_ONLY) 172 173 /* 174 * struct iscsi_param->sender 175 */ 176 #define SENDER_INITIATOR 0x01 177 #define SENDER_TARGET 0x02 178 #define SENDER_BOTH 0x03 179 /* Used in iscsi_check_key() */ 180 #define SENDER_RECEIVER 0x04 181 182 #define IS_SENDER_INITIATOR(p) ((p)->sender & SENDER_INITIATOR) 183 #define IS_SENDER_TARGET(p) ((p)->sender & SENDER_TARGET) 184 #define IS_SENDER_BOTH(p) ((p)->sender & SENDER_BOTH) 185 186 /* 187 * struct iscsi_param->scope 188 */ 189 #define SCOPE_CONNECTION_ONLY 0x01 190 #define SCOPE_SESSION_WIDE 0x02 191 192 #define IS_SCOPE_CONNECTION_ONLY(p) ((p)->scope & SCOPE_CONNECTION_ONLY) 193 #define IS_SCOPE_SESSION_WIDE(p) ((p)->scope & SCOPE_SESSION_WIDE) 194 195 /* 196 * struct iscsi_param->phase 197 */ 198 #define PHASE_SECURITY 0x01 199 #define PHASE_OPERATIONAL 0x02 200 #define PHASE_DECLARATIVE 0x04 201 #define PHASE_FFP0 0x08 202 203 #define IS_PHASE_SECURITY(p) ((p)->phase & PHASE_SECURITY) 204 #define IS_PHASE_OPERATIONAL(p) ((p)->phase & PHASE_OPERATIONAL) 205 #define IS_PHASE_DECLARATIVE(p) ((p)->phase & PHASE_DECLARATIVE) 206 #define IS_PHASE_FFP0(p) ((p)->phase & PHASE_FFP0) 207 208 /* 209 * struct iscsi_param->type 210 */ 211 #define TYPE_BOOL_AND 0x01 212 #define TYPE_BOOL_OR 0x02 213 #define TYPE_NUMBER 0x04 214 #define TYPE_NUMBER_RANGE 0x08 215 #define TYPE_STRING 0x10 216 #define TYPE_VALUE_LIST 0x20 217 218 #define IS_TYPE_BOOL_AND(p) ((p)->type & TYPE_BOOL_AND) 219 #define IS_TYPE_BOOL_OR(p) ((p)->type & TYPE_BOOL_OR) 220 #define IS_TYPE_NUMBER(p) ((p)->type & TYPE_NUMBER) 221 #define IS_TYPE_NUMBER_RANGE(p) ((p)->type & TYPE_NUMBER_RANGE) 222 #define IS_TYPE_STRING(p) ((p)->type & TYPE_STRING) 223 #define IS_TYPE_VALUE_LIST(p) ((p)->type & TYPE_VALUE_LIST) 224 225 /* 226 * struct iscsi_param->type_range 227 */ 228 #define TYPERANGE_BOOL_AND 0x0001 229 #define TYPERANGE_BOOL_OR 0x0002 230 #define TYPERANGE_0_TO_2 0x0004 231 #define TYPERANGE_0_TO_3600 0x0008 232 #define TYPERANGE_0_TO_32767 0x0010 233 #define TYPERANGE_0_TO_65535 0x0020 234 #define TYPERANGE_1_TO_65535 0x0040 235 #define TYPERANGE_2_TO_3600 0x0080 236 #define TYPERANGE_512_TO_16777215 0x0100 237 #define TYPERANGE_AUTH 0x0200 238 #define TYPERANGE_DIGEST 0x0400 239 #define TYPERANGE_ISCSINAME 0x0800 240 #define TYPERANGE_MARKINT 0x1000 241 #define TYPERANGE_SESSIONTYPE 0x2000 242 #define TYPERANGE_TARGETADDRESS 0x4000 243 #define TYPERANGE_UTF8 0x8000 244 245 #define IS_TYPERANGE_0_TO_2(p) ((p)->type_range & TYPERANGE_0_TO_2) 246 #define IS_TYPERANGE_0_TO_3600(p) ((p)->type_range & TYPERANGE_0_TO_3600) 247 #define IS_TYPERANGE_0_TO_32767(p) ((p)->type_range & TYPERANGE_0_TO_32767) 248 #define IS_TYPERANGE_0_TO_65535(p) ((p)->type_range & TYPERANGE_0_TO_65535) 249 #define IS_TYPERANGE_1_TO_65535(p) ((p)->type_range & TYPERANGE_1_TO_65535) 250 #define IS_TYPERANGE_2_TO_3600(p) ((p)->type_range & TYPERANGE_2_TO_3600) 251 #define IS_TYPERANGE_512_TO_16777215(p) ((p)->type_range & \ 252 TYPERANGE_512_TO_16777215) 253 #define IS_TYPERANGE_AUTH_PARAM(p) ((p)->type_range & TYPERANGE_AUTH) 254 #define IS_TYPERANGE_DIGEST_PARAM(p) ((p)->type_range & TYPERANGE_DIGEST) 255 #define IS_TYPERANGE_SESSIONTYPE(p) ((p)->type_range & \ 256 TYPERANGE_SESSIONTYPE) 257 258 /* 259 * struct iscsi_param->state 260 */ 261 #define PSTATE_ACCEPTOR 0x01 262 #define PSTATE_NEGOTIATE 0x02 263 #define PSTATE_PROPOSER 0x04 264 #define PSTATE_IRRELEVANT 0x08 265 #define PSTATE_REJECT 0x10 266 #define PSTATE_REPLY_OPTIONAL 0x20 267 #define PSTATE_RESPONSE_GOT 0x40 268 #define PSTATE_RESPONSE_SENT 0x80 269 270 #define IS_PSTATE_ACCEPTOR(p) ((p)->state & PSTATE_ACCEPTOR) 271 #define IS_PSTATE_NEGOTIATE(p) ((p)->state & PSTATE_NEGOTIATE) 272 #define IS_PSTATE_PROPOSER(p) ((p)->state & PSTATE_PROPOSER) 273 #define IS_PSTATE_IRRELEVANT(p) ((p)->state & PSTATE_IRRELEVANT) 274 #define IS_PSTATE_REJECT(p) ((p)->state & PSTATE_REJECT) 275 #define IS_PSTATE_REPLY_OPTIONAL(p) ((p)->state & PSTATE_REPLY_OPTIONAL) 276 #define IS_PSTATE_RESPONSE_GOT(p) ((p)->state & PSTATE_RESPONSE_GOT) 277 #define IS_PSTATE_RESPONSE_SENT(p) ((p)->state & PSTATE_RESPONSE_SENT) 278 279 #define SET_PSTATE_ACCEPTOR(p) ((p)->state |= PSTATE_ACCEPTOR) 280 #define SET_PSTATE_NEGOTIATE(p) ((p)->state |= PSTATE_NEGOTIATE) 281 #define SET_PSTATE_PROPOSER(p) ((p)->state |= PSTATE_PROPOSER) 282 #define SET_PSTATE_IRRELEVANT(p) ((p)->state |= PSTATE_IRRELEVANT) 283 #define SET_PSTATE_REJECT(p) ((p)->state |= PSTATE_REJECT) 284 #define SET_PSTATE_REPLY_OPTIONAL(p) ((p)->state |= PSTATE_REPLY_OPTIONAL) 285 #define SET_PSTATE_RESPONSE_GOT(p) ((p)->state |= PSTATE_RESPONSE_GOT) 286 #define SET_PSTATE_RESPONSE_SENT(p) ((p)->state |= PSTATE_RESPONSE_SENT) 287 288 #endif /* ISCSI_PARAMETERS_H */ 289